Penitent

a.	1.	Feeling pain or sorrow on account of sins or offenses; repentant; contrite; sincerely affected by a sense of guilt, and resolved on amendment of life. Be penitent, and for thy fault contrite. - Milton. The proud he tamed, the penitent he cheered. - Dryden.
	2.	Doing penance.
n.	1.	One who repents of sin; one sorrowful on account of his transgressions.
	2.	One under church censure, but admitted to penance; one undergoing penance.
	3.	One under the direction of a confessor.

Noun	1.	penitent - (Roman Catholic Church) a person who repents for wrongdoing (a Roman Catholic may be admitted to penance under the direction of a confessor)
Adj.	1.	penitent - feeling or expressing remorse for misdeeds Synonyms: repentant Antonyms: impenitent, unremorseful, unrepentant - not penitent or remorseful

Magdalen, abject, apologetic, compunctious, confessor, conscience-stricken, grief-stricken, humbled, melted, penitential, penitentiary, prodigal returned, prodigal son, repentant, rueful, sad, sheepish, softened, touched